Commands by BatmanOfLinux (0)

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runs a X session within your X session
http://www.debian-administration.org/article/Running_multiple_X11_sessions

bash pause command
Just added -sn1 -s = silent -n1 = only one symbol needed to continue after the insert

Count number of bytes that are different between 2 binary files

List all NPM global packages installed

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Find public IP when behind a random router (also see description)
Depends on GET. You can also replace GET with curl, or `wget -qO -` if GET isn't available.

Get a docker container's run command line
A good way to build a new container when you don't remember how you did it the first time

statistics in one line
In this example, file contains five columns where first column is text. Variance is calculated for columns 2 - 5 by using perl module Statistics::Descriptive. There are many more statistical functions available in the module.

Download all images from a 4chan thread
first grep all href images then sed the url part then wget

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.


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